The integumentary system is most involved in ____
a. exchange of gases
b. support
c. outer body covering
d. muscle contraction
e. resistance
ANSWER: c
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Which of the following describes the sequence of events that might occur in a long-day plant when a stem begins to produce flower parts?
A. CONSTANS (CO) protein, flowering gene (FT), messenger RNA, phloem transport to the meristem B. flowering gene (FT), CONSTANS (CO) protein, messenger RNA, phloem transport to the meristem C. messenger RNA, phloem transport to the meristem, CONSTANS (CO) protein, flowering gene (FT) D. messenger RNA, phloem transport to the meristem, CONSTANS (CO) protein, flowering gene (FT), phloem transport to the meristem E. phloem transport to the meristem, CONSTANS (CO) protein, flowering gene (FT), messenger RNA
In a cross between a true-breeding plant bearing the dominant traits of smooth, yellow seeds and a true-breeding plant bearing the recessive traits of wrinkled, green seeds, the offspring (F1) are all smooth and yellow and their genotype is ____
a. SSYY b. ssyy c. SsYy d. ssYY e. SSyy
Which of these membrane transport processes does not require membrane proteins?
A. osmosis B. facilitated diffusion C. active transport pumps D. endocytosis E. All of the answer choices are correct.
Which of the following is a useful mechanism of action for an antibacterial drug?
A. Inhibition of protein synthesis B. Interference with RNA and DNA synthesis C. Inhibition of cell wall synthesis D. All of the choices are correct.